20850106 has 8 divisors (see below), whose sum is σ = 32921280. Its totient is φ = 9876348.

The previous prime is 20850103. The next prime is 20850107. The reversal of 20850106 is 60105802.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20850106² = 869453840422472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20850103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274306 + ... + 274381.

It is an arithmetic number, because the mean of its divisors is an integer number (4115160).

Almost surely, 2^20850106 is an apocalyptic number.

20850106 is a deficient number, since it is larger than the sum of its proper divisors (12071174).

20850106 is a wasteful number, since it uses less digits than its factorization.

20850106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548708.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 20850106 is about 4566.1916297939. The cubic root of 20850106 is about 275.2344271002.

Adding to 20850106 its reverse (60105802), we get a palindrome (80955908).

The spelling of 20850106 in words is "twenty million, eight hundred fifty thousand, one hundred six".